doc: fix typo in http.server.requestTimout docs

PR-URL: #36987
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>

doc/api/http.md

@@ -1288,7 +1288,7 @@ the client.
 If the timeout expires, the server responds with status 408 without
 forwarding the request to the request listener and then closes the connection.
 
-It must be set to a non-zero value (e.g. 120 seconds) to proctect against
+It must be set to a non-zero value (e.g. 120 seconds) to protect against
 potential Denial-of-Service attacks in case the server is deployed without a
 reverse proxy in front.